Investor · San Diego, CA
John T. Pietrzak
Open John in the network graph →Filings
63
SEC Form D
Connections
330
co-filers
Capital
$993.6M
across filings
Active
Jan 2014
to Jan 2023
Most-connected co-filers (330)
John Eggemeyer, Iii · Rancho Santa Fe, CA41 sharedMark G. Merlo · Rancho Santa Fe, CA37 sharedJ. Mikesell Thomas · Rancho Santa Fe, CA35 sharedRobert O. Young · NEWPORT BEACH, CA29 sharedDouglas J. Ongaro · NEWPORT BEACH, CA29 sharedSaumil H. Parikh · NEWPORT BEACH, CA29 sharedBrent R. Harris · NEWPORT BEACH, CA29 sharedDaniel J. Ivascyn · NEWPORT BEACH, CA29 sharedAndrew T. Vaden · NEWPORT BEACH, CA29 sharedSabrina C. Callin · NEWPORT BEACH, CA29 sharedPeter G. Strelow · NEWPORT BEACH, CA29 sharedPing K. Li · Palo Alto, CA29 sharedNicholas G. Galakatos · New York, NY29 sharedMark R. Kiesel · NEWPORT BEACH, CA29 sharedMartin J. Byrne · Grand Cayman, Cayman Islands29 sharedDavid Guyer · Cambridge, MA29 sharedAlan P. Milgate · Grand Cayman, Cayman Islands29 sharedWilliam H. Gross · NEWPORT BEACH, CA29 sharedBrent L. Holden · NEWPORT BEACH, CA29 sharedSusan L. Wilson · NEWPORT BEACH, CA29 sharedAlfred T. Murata · NEWPORT BEACH, CA29 sharedJames F. Moore · NEWPORT BEACH, CA29 sharedQi G. Wang · NEWPORT BEACH, CA29 sharedVineer T. Bhansali · NEWPORT BEACH, CA29 shared
Recent filings (63)
Blue Marlin Therapeutics, Inc.Oct 2025 · 5 co-filersCastle Creek Capital Partners VIII, LPJan 2023 · 14 co-filersCastle Creek Capital Partners VIII Co-Investment Fund B, LPJan 2023 · 5 co-filersCastle Creek Capital Partners VIII Co-Investment Fund A, LPAug 2022 · 5 co-filersCastle Creek Capital Partners VII Co-Investment Fund, LPMay 2022 · 6 co-filersCastle Creek Capital Partners VIII, LPJan 2022 · 14 co-filersCastle Creek Capital Partners VIII, LPJun 2021 · 14 co-filersPNC HTC Fund 2, LLCMar 2021 · 37 co-filers$45.9MZSX Medical, LLCJan 2020 · 14 co-filers$2.0MPNC HTC Fund 1, LLCJan 2020 · 39 co-filers$6.6MCastle Creek Capital Partners VII, LPNov 2018 · 13 co-filersCastle Creek Capital Partners VII, LPOct 2018 · 13 co-filersZSX Medical, LLCJul 2018 · 9 co-filers$1.0MOrigin Bancorp, Inc.Jul 2018 · 25 co-filers$2.7MNorth Welsh #1 LPMay 2018 · 14 co-filers$1.4MVerrica Pharmaceuticals Inc.Feb 2018 · 21 co-filers$21.0MVerrica Pharmaceuticals Inc.Dec 2017 · 15 co-filers$5.0MNorth Welsh #1 LPDec 2017 · 14 co-filers$1.0MCastle Creek Capital Partners VI, LPJun 2017 · 12 co-filers$280.9MCastle Creek Capital Partners VI, LPMay 2017 · 12 co-filers$262.5MCastle Creek Capital Partners VI, LPFeb 2017 · 12 co-filers$200.0MOrigin Bancorp, Inc.Nov 2016 · 38 co-filers$45.0MOrigin Bancorp, Inc.Nov 2016 · 38 co-filers$45.0MCastle Creek Capital Partners VI, LPFeb 2016 · 12 co-filers$200.0MCastle Creek SSF-D Investors, LPNov 2014 · 10 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See John in the interactive graph →